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  1. 256MB (1)
  2. 512MB (1)
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  1. Kingston (1)
  2. RamCity (1)
Speed
  1. PC133 (2)
Form Factor
  1. 168-pin DIMM (2)
CAS Latency
  1. CL3 (2)
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  1. ValueRam (1)
Voltage
  1. 3.3V (2)
 

RamCity guarantees 100% that all modules below are compatible with the Sony VAIO PCV-RX Series PCV-RX550

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Kingston ValueRam 512MB CL3 168-pin DIMM
Part #. ACN • PC133 • CL3 • 3.3V • 16-chip 32M x8 •  more info
Buy new: $209.99 $163.99

Ships in 7 Days Free Shipping Guaranteed Compatible

RamCity 256MB CL3 168-pin DIMM
Part #. ACJ • PC133 • CL3 • 3.3V • 16-chip 16Mx8 •  more info
Buy new: $96.99 $75.99

6 in Stock Free Shipping Guaranteed Compatible

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We guarantee your memory upgrade will be 100% compatible, or return it within 1 Whole Year for a full refund.
Need some help installing your upgrade? See our guides and videos.
System Specifications
Standard Memory:
  • 256MB (Removable)
Maximum Memory:
  • 512MB
Expansion:
  • 2 Sockets
CPU/Chipset:
  • Intel Pentium 4 1.5 GHz
Bus Architecture:
  • AGP; PCI
Upgrade Path:
  • Virtually any configuration up to 512MB can be reached using 256MB modules.